Home / 12,401,998.80-18,601,794.60-3,766,173.60

Finding the Fourth Proportional to 12,401,998.80, 18,601,794.60 and 3,766,173.60

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Solution

The fourth proportional to 12,401,998.80, 18,601,794.60 and 3,766,173.60 is: 5,648,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401,998.80 : 18,601,794.60 = 3,766,173.60 : x
  2. Step 2: Convert to fraction form
    12,401,998.80/18,601,794.60 = 3,766,173.60/x
  3. Step 3: Cross multiply
    12,401,998.80x = 18,601,794.60 × 3,766,173.60
  4. Step 4: Simplify right side
    12,401,998.80x = 70,057,587,735,142.57
  5. Step 5: Solve for x
    x = 70,057,587,735,142.57/12,401,998.80
  6. Step 6: Final answer
    x = 5,648,894.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.